Sony HCD-FZ900KW, Service Manual

Page: 25 / 108

HCD-FZ900KW/FZ900M
HCD-FZ900KW/FZ900M
25 25
5-3. BLOCK DIAGRAM – AUDIO Section –
R-CH
R-CH
Q4012
Q4011
Q4008
Q4007
Y1 Y
IC4004
INPUT SELECT
IC451
DMPOART
AUDIO AMP
IC503 (3/6)
SYSTEM CONTROL
J4001(2/2)
CN451
TU4001
FM
TUNER
PACK
TV
DMPORT
DIGITAL
MEDIA PORT
FZ900KW
FZ900M
AUDIO
IN
3 1
VIDEO VIDEO
LCH
RCH
VBUS (5V)
DET
TXD
RXD
DMP_DET
DMP_RXD
DMP_TXD
VIDEO 5V
L-CH
R-CH
TUNED
DI
DO
CK
CE
VIDEO 5V
(DMPOART)
13
14
5
6
7
2
4
17
5 3
A 10
B 9
Y2 2
Y3 4
Y0 1
Y1 Y
IC4007
INPUT SELECT
5 3
A 10
B 9
Y2 2
Y3 4
Y0 1
Y1 Y
IC4005
INPUT SELECT
5 3
A 10
B 9
Y2 2
Y3 4
Y0 1
L
R
R-CH
J4002
SAT/
CABLE
AUDIO
IN
L
R
VIDEO
SECTION
B
AMP
SECTION
F
R-CH
RDS_DATA
RDS_CLK
75
Ω
FM
COAXIAL
ANTENNA
ST_CE 76
ST_CLK/MIC_CLK 79
ST_DO 78
ST_DI/MIC_DATA 77
TUNED
TUNED
DI
DO
CE
CK
80
DMP_TX_OUT 35
DC_CONT 42
A.CAL MIC LEVEL/DSP_MASTER
91
MIC_GAIN 43
MONO/ST_DET
MO/ST_DET
GAIN_CONT
A.CAL
DC_CONT
DMP_TXD
DMP_RXD
PLUG_DET
PLUG_DET
DMP_DET
ASEL5
ASEL5
ASEL4
ASEL4
ASEL0
L-IN
R-IN
R-CH
ASEL1
R-CH
R-CH
DSP_MASTER
L-CH
90
JACK1/JACK2/S-ART DET 65
ASEL5 89
IO_CLK/ASEL4 88
IO_RESET/ASEL1 85
IO_DI/ASEL2 86
IO_DO/ASEL3
87
IO_CE/ASEL0 84
DMP_RX_IN 36
RDS_DATA
RDS_CLK
RDS_DATA 74
RDS_CLK 75
DSP
SECTION
E
•
R-ch is omitted due to same as L-ch.
ASEL1
ASEL0
ASEL3
ASEL2
Q4009
ASEL3
Q4010
ASEL2
+
FZ900M
Q4201,4202
SCORE
DETECT
J5000
SW3.3V
DC_CONT
GAIN_CONT
F-AUDIO (L)/MIC1
F-AUDIO (R)
R-CH
MIC2
D5008
Q5010
D4202
D4008
D4201
D4203,4204
PLUG_DET MO/ST_DET
IC5003
MIC AMP
AUDIO IN/MIC/
A.CAL MIC
FZ900KW
FZ900M
AUDIO IN/MIC1/
A.CAL MIC
5
6
IC5004
MIC AMP
3 1
J5001
MIC2
7
IC4201
AF AMP
IC4008
ELECTRONIC VOLUME
5 7
3 1
CLK 5
DATA 4
VIN1 1
VIN2 8 OUT2 7
A+9V
OUT1 2
FZ900M
MIC1+2
XVOICE
MUSIC
MUSIC
VIDEO
SECTION
D
2
1
3
IC4202
SCORE DETECT
6
7
5
IC4010
ALC EQ AMP
2 8
6
4
SCORE
DSP
SECTION
G
ALC
•
SIGNAL PATH
: TUNER
: VIDEO
: MIC
Q5007,5009,5012
MIC DC SWITCH
Q5004,5005,5011
MIC DC SWITCH
Q5006,5008
MIC GAIN CONTROL
3 1
Q4013 Q4014
DI
CK
R-CH
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